COVID-19 Vaccines

Effectiveness of the Vaccines Against Symptomatic Disease

In the real world the following evidence has been reported for the effectiveness of vaccines by Public Health England.

The figures show the effectiveness at stopping symptomatic disease two weeks after the second dose.

From Delta (Indian) Variant

Pfizer

Second Jab – 88%

AstraZeneca

Second Jab – 60%

From Alpha (UK – Kent) Variant

Pfizer

Second Jab – 93%

AstraZeneca

Second Jab – 66%

Effectiveness of the Vaccines Against Hospitalisation

Data from Public Health England shows the the effectiveness of the vaccines against hospitalisation to be as follows.

From Delta (Indian) Variant

Pfizer

First Jab – 94%

Second Jab – 96%

AstraZeneca

First Jab – 71%

Second Jab – 92%

From Alpha (UK – Kent) Variant

Pfizer

First Jab – 83%

Second Jab – 95%

AstraZeneca

First Jab – 76%

Second Jab – 86%